Ambry shake handshandle with class b fire door?

by:DIgao     2020-07-30
Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - - Fire door shake handshandle collocation serie b>
ambry is to use wood, steel, steel structure and stone material and so on, is commonly used for fire escape, fire for an hour.

ambry in fire door shake handshandle installs is better than ceramic handle, fire door actually has a lot of kinds, such as the material, there are wooden fire door, steel fire door, steel fire door, other fire doors, etc.
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